On Tue, Mar 09, 2021 at 09:55:52AM +0100, Thomas Gleixner wrote: > RT runs softirq processing always in thread context and it requires that > both the softirq execution and the BH disabled sections are preemptible. > > This is achieved by serialization through per CPU local locks and > substituting a few parts of the existing softirq processing code with > helper functions. > > The series applies on top of > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git > tasklet-2021-03-09 > > and is completely available from: > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git softirq > > Changes to V2 which can be found here: > > https://lore.kernel.org/r/20201204170151.960336...@linutronix.de > > - Split the tasklet changes out (seperate submission) > > - Rebase it on the tasklet series (no further changes)
Passes modest rcutorture testing, and I do like the "NOHZ tick-stop error" maybe going away! That error is rare enough that it will take some time to be reasonably certain. In the meantime: Tested-by: Paul E. McKenney <paul...@kernel.org>
